'Closely related species share' diaporamas de présentation

Mechanisms of Evolution How does evolution work?

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Classification

Classification. Go to Section:. The Challenge. Biologists have identified and named approximately 1.5 million species so far. They estimate that between 2 and 100 million species have yet to be identified. Finding Order in Diversity. 1. Why Classify? To study the diversity of life

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KEY CONCEPT Organisms can be classified based on physical similarities.

KEY CONCEPT Organisms can be classified based on physical similarities. Linnaeus developed the scientific naming system still used today. Taxonomy is the science of naming and classifying organisms. Common Name: White oak: Scientific Name: Quercus alba

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KEY CONCEPT Modern classification is based on evolutionary relationships.

KEY CONCEPT Modern classification is based on evolutionary relationships. Cladistics is classification based on common ancestry. Phylogeny is the evolutionary history for a group of species. evidence from living species, fossil record, and molecular data shown with branching tree diagrams.

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KEY CONCEPT Modern classification is based on evolutionary relationships.

KEY CONCEPT Modern classification is based on evolutionary relationships. Cladistics is classification based on common ancestry. Phylogeny is the evolutionary history for a group of species. evidence from living species, fossil record, and molecular data shown with branching tree diagrams.

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KEY CONCEPT Modern classification is based on evolutionary relationships.

KEY CONCEPT Modern classification is based on evolutionary relationships. Cladistics is classification based on common ancestry. Phylogeny is the evolutionary history for a group of species. evidence from living species, fossil record, and molecular data shown with branching tree diagrams.

80 views • 7 slides